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SELECTBIO Conferences Extracellular Vesicles (EVs: Exosomes and Microvesicles): Research, Diagnostics and Therapeutics Applications

Paul Robbins's Biography

Paul Robbins, Professor, The Scripps Research Institute

Paul D. Robbins, Ph.D. is a Professor of Molecular Medicine at The Scripps Research Institute (TSRI) in Jupiter, Florida and director of the TSRI Center on Aging. Previously he was a Professor of Microbiology and Molecular Genetics, Director of Basic Research for the Molecular Medicine Institute and Co-Director of the Paul Wellstone Cooperative Muscular Research Center at the University of Pittsburgh School of Medicine as well as Interim Director of Molecular & Cellular Oncology at the University of Pittsburgh Cancer Institute. He received his B.A. from Haverford College, his Ph.D. from the University of California at Berkeley and worked as a post-doctoral fellow in the laboratory of Dr. Richard Mulligan at the Whitehead Institute for Biomedical Research at MIT. He has co-authored over 320 peer-reviewed manuscripts and 170 book chapters and reviews and edited four books. He was a member of the NIH PathB Study Section, Chair of the Italian Telethon Scientific Review Committee and a member of the Telethon Scientific Advisory Board. He also was a member of the Scientific Review Board of National Gene Vector Laboratory and the Board of Directors of the American Society of Gene Therapy and currently is a member of the National Institute on Aging Interventions Testing Program. He has co-founded two biotechnology companies and currently serves on the Scientific Advisory Boards of four biotechnology companies. Dr. Robbins’ research is focused on developing therapeutic approaches, including small molecules, biologics and stem cells, to extend healthspan and reduce frailty using mouse models of aging.

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Extracellular Vesicles (EVs) as Therapeutics for Extending Healthspan

Thursday, 29 March 2018 at 13:30

Add to Calendar ▼2018-03-29 13:30:002018-03-29 14:30:00Europe/LondonExtracellular Vesicles (EVs) as Therapeutics for Extending

With aging, there is an inevitable and progressive loss of the ability of tissues to recover from stress, in part through loss of stem cell function. As a consequence, the incidence of chronic degenerative diseases increases exponentially starting at the age of 65. This includes neurodegeneration, cardiovascular disease, diabetes, osteoarthritis, cancers, and osteoporosis.  More than 90% of people over 65 years of age have at least one chronic disease, while 75% have at least two. Thus, it is imperative to find a way to target therapeutically the process of aging to compress the period of functional decline in old age. Such a therapeutic approach would simultaneously prevent, delay or alleviate multiple diseases of old age. We are using both naturally aged mice and the ERCC1-deficient mouse model of accelerated aging mice as a model of accelerated aging to identify therapeutic strategies for extending healthy aging. Previously we demonstrated that intraperitoneal (IP) administration muscle-derived stem/progenitor cells (MDSPCs) isolated from young wild-type mice into ERCC1-deficient mice conferred significant lifespan and healthspan extension through a paracrine/endocrine mechanism. More recently, we demonstrated that BM-MSCs from young, but not old mice, also prolonged lifespan and healthspan in ERCC1-deficient mice, similar to MDSPCs. Taken together, these results suggest that at least two types of adult stem cell populations, BM-MSCs and MDSPCs, isolated from young mice extend lifespan and healthspan following IP injection in a mouse model of accelerated aging. We also have been characterizing and identifying the factors released by young, functional stem cells important for this extension of lifespan and healthspan. Conditioned media (CM) from young, but not old MDSPCs and BM-MSCs, rescued the function of aged, dysfunctional stem cells as well as senescent fibroblasts in culture.  Moreover, this activity in the CM co-purifies with extracellular vesicles (EVs) released by young, but not old stem cells. Treatment of ERCC1-deficient mice with EVs from young stem cells is able to extend healthspan. Interestingly, EVs from the serum of young, but not old mice also can rescue cellular senescence suggesting that the effect of young serum on aging could be mediated in part by EVs. In addition, senescent cells appear to take up stem cell derived EVs more efficiently.  Progress towards developing clinically relevant approaches using stem cell-derived extracellular vesicles to treat autoimmune and age-related pathologies will be presented.

Add to Calendar ▼2018-03-28 00:00:002018-03-29 00:00:00Europe/LondonExtracellular Vesicles (EVs: Exosomes and Microvesicles): Research, Diagnostics and Therapeutics